Internal-combustion engines – Charge forming device – Having fuel vapor recovery and storage system
Reexamination Certificate
2007-01-09
2007-01-09
Moulis, Thomas (Department: 3747)
Internal-combustion engines
Charge forming device
Having fuel vapor recovery and storage system
C123S519000
Reexamination Certificate
active
11079870
ABSTRACT:
An emissions control canister including an insert tube and a final scrubber inside the tube. Because a scrubber formed as a carbon monolith is relatively fragile and easily damaged, a flexible, porous, resilient sling is provided for installing and retaining scrubber within cylindrical tube in lieu of either seals or elastomeric gaskets. An end of the scrubber is placed on a center portion of the sling, and the straps are folded alongside the cylindrical surface of the scrubber to form a sub-assembly. The sling is die-cut from planar stock of either a loose, thick, woven polyester fabric or an open-cell resilient foam. Advantages of the sling over a resilient elastomeric gasket are cost, ease of assembly, and the outer surface of the scrubber is made available as additional vapor adsorption area.
REFERENCES:
patent: 3831353 (1974-08-01), Toth
patent: 5207808 (1993-05-01), Haruta et al.
patent: 6564821 (2003-05-01), Orenstein et al.
Meiller Thomas C.
Tinch Brian A.
Delphi Technologies Inc.
Marshall Paul L.
Moulis Thomas
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